Cheap smart Home Sensors & Detectors

On this page you will find smart Home Sensors & Detectors at the lowest prices, more so all smart Home Sensors & Detectors ranked from the lowest to the highest price. It will be easier to see products that are now marked at their lowest price. The item with the lowest price in this category is Shelly-BYPASS marked at 4.59 € incl. VAT. Is this what you’re looking for?

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Switching Relay - Shelly Bypass, compatible with Shelly 1L and Shelly Dimmer 2

iGET SECURITY P9 - wireless water level detector for iGET SECURITY M3B and M2B

7×

6.59 €

Currently Unavailable

Water Leak Detector - detects water gas, battery-powered, range: 80 m, connect via GSM, battery indication, central unit required to function

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iGET HOME XP4B - wireless magnetic door/window sensor for iGET HOME X1 and X5 alarm

6×

6.70 €

Currently Unavailable

Door and Window Sensor - wireless, compatible with iGet Home, range of 100m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech...

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SONOFF WLDC200 Water Leak Detection Cable

3×

7.49 €

In stock 2 pcs

Buy with code ALZADAYS30AT 5.24 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 30 % Rabatt mit dem Code ALZADAYS30AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

Extension Cable

Honeywell adapter for HR90, HR92, HR30 to Herz and Comap M28x1,5 valves

1×

7.70 € 8.99 €

Currently Unavailable

Heating Set - adapter for installation of Honeywell thermostatic heads on Herz and Comap radiator valves with M28 × 1.5 thread (HR92, HR90, HR30)

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iGET SECURITY EP22 - RFID key for iGET M5-4G alarm

7×

8.59 €

In stock 2 pcs

RFID Keyring - RFID key for iGET SECURITY M5 alarm. Attached to the iGET SECURITY EP13 wireless keypad for remote alarm control.

iGET SECURITY P10 - wireless vibration detector for iGET SECURITY M3B and M2B

4×

8.69 €

Currently Unavailable

Vibration Detector - detects vibration gas, battery-powered, range: 80 m, connect via GSM, battery indication, central unit required to function

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Shelly DS18B20

8.89 €

Currently Unavailable

Temperature Sensor - mains power supply, 3 m range, stand-alone unit

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Sonoff THS01 Temperature & Humidity Sensor

48×

9.29 €

In stock > 5 pcs

Buy with code ALZADAYS20AT 7.43 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

Sensor - replacement sensor for temperature and humidity measurement, compatible with Sonoff TH Origin/Elite, 50 cm long cable, operating temperature -40 to 85 °C, RJ9 4P4C...